After hearing the news that CentOS 7 had been published, I decided to install it on my computer. I downloaded the ISO image from the CentOS official website (the one named CentOS-7.0-1406-x86_64-DVD.iso) and then burned it onto a USB drive by using a tool named UltraISO.
After that, I rebooted my computer and pressed F12to choose my boot device. (My GIGABYTE motherboard uses F12 to choose a boot device.) I chose this: UEFI: hp v245o 1100, where hp v245o 1100 is the USB name, and I suppose this is a so-called EFI boot from USB. After that, three menu selections are presented:
- Install CentOS 7,
- Test this media & install CentOS 7,
- and Troubleshooting –>.
At first I decided to choose option 1 to let it display all its running messages, so I typed e and here is what I get:
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set params ‘Install CentOS 7’
linuxefi /images/pxeboot/vmlinuz inst.stage2=hd:LABEL=CentOS\x207\x20x86_64 quiet initrdefi /images/pxeboot/initrd.img |
So I removed the quiet param and pressed CTRLx to start, then I got this:
have no idea what the fb is, and the installation process just stopped there.
So I decided to try the 3rd option (the Troubleshooting –> one) with no luck; I still cannot install this CentOS 7 and I got something like:
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> [7.471771] scsi 0:0:0:0: alua: not attached
> [7.474665] sd 0:0:0:0: [sda] no Caching mode page found > [7.474682] sd 0:0:0:0: [sda] Assuming drive cache: write through > dracut-initqueue[685]: Warning: Could not boot > dracut-initqueue[685]: Warning: /dev/root does not exist |
How I can solve this problem?
Answer:
I think you must make bootable usb using dd command (if your iso is in home directory):
First unmount (not eject) the usb: sudo umount /dev/sdb1
Then, write the image to the disk:
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sudo dd bs=4M if=CentOS-7.0–1406-x86_64-Everything.iso of=/dev/sdb
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Then it will not show /dev/root does not exist.
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